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- From: bayes@hplvec.LVLD.HP.COM (Scott Bayes)
- Date: Thu, 17 Dec 1992 00:00:08 GMT
- Subject: Re: Curves in QuickDraw GX
- Message-ID: <830024@hplvec.LVLD.HP.COM>
- Organization: Hewlett-Packard Co., Loveland, CO
- Path: sparky!uunet!spool.mu.edu!sdd.hp.com!hpscit.sc.hp.com!hplextra!hpfcso!hplvec!bayes
- Newsgroups: comp.sys.mac.programmer
- References: <18335@borg.cs.unc.edu>
- Lines: 11
-
- > So: are we going to see lots of GX programs that <ouch> make us use quadratic
- > curves to describe shapes? Or <grin> is there some magic way to display cubic
- > curves using quadratics? As far as I know, there's no simple way of doing so.
- > Does <gasp> GX provide some way of performing this magic? If not <"display
- > ignorance" mode on>, shouldn't it?
-
- Quadratics and (non-degenerate) cubics can't even describe the same
- curves. It's hard to see how to do the "magic" without approximations
- and lotsa MIPS, as you say.
-
- ScottB
-